20 Best Btu Gas Heater [2024]

Are you looking for the best Btu Gas Heater? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Btu Gas Heater.

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# Preview Product
1 Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Propane Radiant Heater,... Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Propane Radiant Heater,...
2 Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater MHVFB30NGT Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater MHVFB30NGT
3 Blue Flame Natural Gas Room Heater - 30k BTU Ventless Gas Heater with Blower to Warm Your Space -... Blue Flame Natural Gas Room Heater - 30k BTU Ventless Gas Heater with Blower to Warm Your Space -...
4 Mr. Heater Corporation Vent Free Flame Natural Gas Heater, 20k BTU, Blue Mr. Heater Corporation Vent Free Flame Natural Gas Heater, 20k BTU, Blue
5 Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater
6 Mr. Heater Corporation Vent-Free 10,000 BTU Radiant Natural Gas Heater, 10000, Multi Mr. Heater Corporation Vent-Free 10,000 BTU Radiant Natural Gas Heater, 10000, Multi
7 Mr. Heater, MH30T Double Tank Top Outdoor Propane Heater (Propane Cylinder not Included) Mr. Heater, MH30T Double Tank Top Outdoor Propane Heater (Propane Cylinder not Included)
8 Original 540-Degree 45,000 BTU Tank Top Radiant Propane Heater Original 540-Degree 45,000 BTU Tank Top Radiant Propane Heater
9 Marey GA5PORT Portable Propane Gas Tankless Water Heater, Small, White Marey GA5PORT Portable Propane Gas Tankless Water Heater, Small, White
10 MAREY GA5FLP 1.32 GPM, 34,120 BTU's LP Gas Flow Activated Tankless Water Heater, White MAREY GA5FLP 1.32 GPM, 34,120 BTU's LP Gas Flow Activated Tankless Water Heater, White
11 Marey GA10FNG 2.64 GPM, 68,240 BTU's NG Gas Flow activated Gas Tankless Water Heater Marey GA10FNG 2.64 GPM, 68,240 BTU's NG Gas Flow activated Gas Tankless Water Heater
12 Mr. Heater MHVFGH30NGBT Vent Free Heater, Black Mr. Heater MHVFGH30NGBT Vent Free Heater, Black
13 Hayward W3H400FDN Universal H-Series 400,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools... Hayward W3H400FDN Universal H-Series 400,000 BTU Natural Gas Pool and Spa Heater for In-Ground...
14 Mr. Heater MH-F232000 Portable Buddy 9,000 BTU Propane Gas Radiant Heater with Piezo Igniter for... Mr. Heater MH-F232000 Portable Buddy 9,000 BTU Propane Gas Radiant Heater with Piezo Igniter for...
15 Infrared Natural Gas Room Heater - 20k BTU Ventless Gas Heater with Blower to Warm Your Space - Gas... Infrared Natural Gas Room Heater - 20k BTU Ventless Gas Heater with Blower to Warm Your Space -...
16 World MKTG of America/Import Comfort Glow Gas Wall Heater, 24.41x28.15x10.25, Gray World MKTG of America/Import Comfort Glow Gas Wall Heater, 24.41x28.15x10.25, Gray
17 Blue Flame Vent Free Propane Gas Heater - 30k BTU Ventless Gas Heater to Warm Your Space - Gas... Blue Flame Vent Free Propane Gas Heater - 30k BTU Ventless Gas Heater to Warm Your Space - Gas...
18 Dyna-Glo BFSS20NGT-2N 20,000 BTU Natural Gas Blue Flame Thermostatic Vent Free Wall Heater, White Dyna-Glo BFSS20NGT-2N 20,000 BTU Natural Gas Blue Flame Thermostatic Vent Free Wall Heater, White
19 Mr. Heater Corporation F299831 Vent-Free 30,000 BTU Radiant Natural Gas Heater, Multi Mr. Heater Corporation F299831 Vent-Free 30,000 BTU Radiant Natural Gas Heater, Multi
20 Mr. Heater Corporation F299830 Vent-Free 30,000 BTU Radiant Propane Heater, Multi Mr. Heater Corporation F299830 Vent-Free 30,000 BTU Radiant Propane Heater, Multi
SaleBestseller No. 1
Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Propane Radiant Heater,...
  • 4,000- to 9,000-BTU radiant heater for spaces up to 225 square feet. Approved for indoor/outdoor use; clean-burning; nearly 100-percent efficient
  • When operating the heater at altitudes over 7,000 FT above sea level the heater may shut off.
  • Auto shut-off if tipped over, if pilot light goes out, or if detects low oxygen levels. Fuel Consumption/Burn Rate (Gal/Hr) at 4000 BTU = 0.044...
  • Fold-down handle; swivel-out regulator; connects to propane tank (not included); Run Time (Hrs at Max BTU): 3 Hours
  • THE USE OF UN-AUTHORIZED ACCESSORIES/ATTACHMENTS WITH THIS HEATER ARE EXPRESSLY PROHIBITED, MAY CAUSE SERIOUS INJURY, AND WILL VOID THE WARRANTY.
Bestseller No. 2
Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater MHVFB30NGT
  • 30,000 BTU Natural Gas heater to heat spaces up to 1000 square feet
  • Blue flame burner for even convection heat. Maximum Elevation (Ft)-4500. Fuel Consumption/Burn Rate (Gal/Hr)- .030 MCF
  • Automatic low oxygen shut-off system (ODS). CSA Certified. Heater Type: Unvented
  • Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.included.Theromostat, legs and wall...
  • Fuel Type:Natural Gas.Not for use in bathrooms, bedrooms, or recreational vehicles
SaleBestseller No. 3
Blue Flame Natural Gas Room Heater - 30k BTU Ventless Gas Heater with Blower to Warm Your Space -...
  • Get Back to What You Love — Don't let the cold keep you from your hobbies and projects. Our blue flame natural gas heater with blower will keep your...
  • Efficient Heating for Your Comfort — The clean-burning blue flame tube burner uses the natural convection of the burn to circulate warm, comfortable...
  • Heat Circulation for Any Space — 30k BTU comfortably heats up to 1000 sq. feet, making it a great choice as a propane gas garage heater, cabin...
  • The Right Fit for You — No matter what your needs are, our heater can do the job. Kits are included to mount it as a natural gas wall heater, or for...
  • Keep Your Family Safe — Our natural gas space heaters for indoor use operate without electricity and have an Oxygen Depletion Sensor (ODS) for...
Bestseller No. 4
Mr. Heater Corporation Vent Free Flame Natural Gas Heater, 20k BTU, Blue
  • 20,000 BTU per hour for use with natural gas and heats up to 500 sq. Ft
  • Blue flame burner for even convection heat
  • Quiet integrated blower for gentle circulation of heated air
  • Thermostat for automatic temperature control with automatic low oxygen shut-off system (ODS)
  • Blower fan kit (f299200 sold separately) - available for 20k units and up only
SaleBestseller No. 5
Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater
  • Your purchase includes One Mr. Heater Big Maxx Natural Gas Heater with 2 angle brackets & Liquid Propane conversion kit | Thermostat, hose & regulator...
  • Heater dimensions – 29.33” L x 15.50” W x 26.37” H | Coverage area – 2000 Sq. Ft. | Performance – 80,000 BTU | Amps – 2.3 | Voltage –...
  • For use with natural gas | Category 1 vertical, category 3 horizontal venting
  • Powered exhaust allows for vertical or horizontal venting | Spark ignition features self-diagnostic control module
  • This heater offers the operating versatility and safety that you have come to expect from Mr. Heater | Limited 3 year warranty on parts and burners
SaleBestseller No. 6
Mr. Heater Corporation Vent-Free 10,000 BTU Radiant Natural Gas Heater, 10000, Multi
  • 10,000 BTU Natural Gas heater to heat spaces up to 250 sqaure feet.
  • Radiant heat burner
  • Automatic low oxygen shut-off system (ODS). CSA Certified
  • Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.
  • Legs and wall mounting hardware included
Bestseller No. 7
Mr. Heater, MH30T Double Tank Top Outdoor Propane Heater (Propane Cylinder not Included)
  • Portable heat
  • Efficient radiant heating
  • 1 year warranty
  • Quiet operation
  • Sturdy construction
SaleBestseller No. 8
Original 540-Degree 45,000 BTU Tank Top Radiant Propane Heater
  • Multi-directional radiant propane heater mounts directly to a 20 lb tank for easy portability
  • High-medium-low regulator: 45,000-36,000-30,000 BTUs
  • Tip-over safety shut-off switch
  • Approximate 9.5 hour run time on high with a 20 lb tank
  • Mounts on 20 - 100 lb propane cylinder
Bestseller No. 9
Marey GA5PORT Portable Propane Gas Tankless Water Heater, Small, White
  • Naturally vented outdoors: you don't need to buy a extra venting
  • Serves to a variety of applications, since washing your car, windows cleaning, wash your horse or your dog and take a hot shower
  • Perfect for campsites, cabins, remote areas or just around the house. BTU/h - 35000 BTU/h. Fuel Type - LPG(liquid propane gas). pipe fittings - 1/2...
  • Provide endless hot water on demand only as needed
  • No electrical connection is required
SaleBestseller No. 10
MAREY GA5FLP 1.32 GPM, 34,120 BTU's LP Gas Flow Activated Tankless Water Heater, White
  • ECO-FRIENDLY WATER HEATER: Save energy using less gas during the warm months with the Marey Tankless Liquid Propane Gas Water Heater; Color: White;...
  • BATTERY POWERED: Tankless water heater starts with pulse ignition powered by (2) D batteries (not included); No cords necessary
  • AUTOMATIC SHUT-OFF: Multiple safety sensors, such as auto cut-off, automatic ignition, anti-dry combustion, over-pressure, overheating, flameout...
  • TEMPERATURE CONTROL: Ideal for indoor use in apartments, cabins, and tiny homes; Control your temperature year-round with the convenient summer/winter...
  • FEATURES: 1.32-GPM heater is activated by water flow rather than water pressure; Minimum activation rate: 0.65 GPM; Maximum input rating: 34,120 BTUs;...
Bestseller No. 11
Marey GA10FNG 2.64 GPM, 68,240 BTU's NG Gas Flow activated Gas Tankless Water Heater
  • ECO-FRIENDLY WATER HEATER: Save energy using less gas during the warm months with the Marey Tankless Natural Gas Water Heater; Color: White; Weight:...
  • BATTERY POWERED: Tankless water heater starts with pulse ignition powered by (2) D batteries (not included); No cords necessary
  • AUTOMATIC SHUT-OFF: Multiple safety sensors, such as auto cut-off, automatic ignition, anti-dry combustion, over-pressure, overheating, flameout...
  • TEMPERATURE CONTROL: Ideal for indoor use in apartments, cabins, and tiny homes; Control your temperature year-round with the convenient summer/winter...
  • FEATURES: 2.64-GPM heater is activated by water flow rather than water pressure; Minimum activation rate: 0.65 GPM; Maximum input rating: 68,240 BTUs;...
SaleBestseller No. 12
Mr. Heater MHVFGH30NGBT Vent Free Heater, Black
  • 30, 000 BTU per hour
  • For use with Natural Gas
  • Heats up to 750 sq. ft.
  • Automatic low oxygen shut-off system
  • 4500 ft high altitude restriction
Bestseller No. 13
Hayward W3H400FDN Universal H-Series 400,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools...
  • BEST FOR: In-ground pools and spas with a surface area up to 1,200 ft. where natural gas is available. Its low environmental impact makes it ideal for...
  • PREMIUM PERFORMANCE: The Hayward Universal H-Series 400,000 BTU Natural Gas Heater delivers fast premium heating performance for years of reliable,...
  • CORROSION PROTECTION: The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water...
  • ENERGY SAVINGS: The efficient, industry-leading design reduces circulation pump run time to provide energy savings.
  • EASY-TO-USE: Intuitive front control panel provides easy operation, service and maintenance.
SaleBestseller No. 14
Mr. Heater MH-F232000 Portable Buddy 9,000 BTU Propane Gas Radiant Heater with Piezo Igniter for...
  • PORTABLE HEATER: Portable propane heater designed for emergency heat, tents, campers, job sites, porches, decks, garages, tailgates, barns, sheds, ice...
  • HEAT SPACE: Perfect for heating enclosed spaces up to 225 square feet
  • PROPANE GAS: For use with propane gas; Runs off a 1-pound cylinder of propane and can connect directly to a 20 pound cylinder with optional hose and...
  • FEATURES: Includes Piezo igniter, Accidental tip-over safety shut-off, swivel regulator and fold-down handle, and hi and low heat settings
  • SPECIFICATIONS: 4,000 or 9,000 BTU per hour; Run time (max BTU): 3 hours; Run time (min BTU): 6 hours; Heating technology type: Radiant; Power type:...
Bestseller No. 15
Infrared Natural Gas Room Heater - 20k BTU Ventless Gas Heater with Blower to Warm Your Space - Gas...
  • Get Back to What You Love — Don't let the cold keep you from your hobbies and projects. Our infrared natural gas heater with blower will keep your...
  • Efficient Heating for Your Comfort — A ventless infrared heater quickly warms people, walls, and objects, releasing heat energy regardless of air...
  • Heat Circulation for Any Space — 20k BTU comfortably heats up to 700 sq. feet, making it a great choice as a natural gas garage heater, craft room...
  • The Right Fit for You — No matter what your needs are, our heater can do the job. Kits are included to mount it as a natural gas wall heater, or for...
  • Keep Your Family Safe — Our natural gas space heaters for indoor use operate without electricity and have an Oxygen Depletion Sensor (ODS) for...
SaleBestseller No. 16
World MKTG of America/Import Comfort Glow Gas Wall Heater, 24.41x28.15x10.25, Gray
  • Vent free infrared burner
  • Increased BTU output; No electricity required
  • Built-in oxygen depletion sensor
  • Adjustable heat settings; Manual control features
  • Optional floor stand (20-5345); Optional blower (20-6127)
Bestseller No. 17
Blue Flame Vent Free Propane Gas Heater - 30k BTU Ventless Gas Heater to Warm Your Space - Gas...
  • Get Back to What You Love — Don't let the cold keep you from your hobbies and projects. Our blue flame vent free propane heater will keep your hobby...
  • Efficient Heating for Your Comfort — The clean-burning blue flame tube burner uses the natural convection of the burn to circulate warm, comfortable...
  • Heat Circulation for Any Space — 30k BTU comfortably heats up to 1000 sq. feet, making it a great choice as a propane gas garage heater, cabin...
  • The Right Fit for You — No matter what your needs are, our heater can do the job. Kits are included to mount it as a propane gas wall heater, or for...
  • Keep Your Family Safe — Our ventless propane heaters for indoor use operate without electricity and have an Oxygen Depletion Sensor (ODS) for...
Bestseller No. 18
Dyna-Glo BFSS20NGT-2N 20,000 BTU Natural Gas Blue Flame Thermostatic Vent Free Wall Heater, White
  • Natural Gas Ready (Fuel conversion not permitted)
  • Blue Flame Technology works by convecting heat to warm the air the same way as a central heating system
  • 10, 000-20, 000 BTU's/hr adjustable heat output for up to 700 sq. ft.
  • Thermostat control knob automatically maintains your ideal heat level
  • No electricity required allows for reliable back-up heating incase of an emergency situation
SaleBestseller No. 19
Mr. Heater Corporation F299831 Vent-Free 30,000 BTU Radiant Natural Gas Heater, Multi
  • 30,000 BTU Natural Gas heater. Heats up to 1000 square feet
  • Radiant heat burner
  • Automatic low oxygen shut-off system (ODS). CSA Certified
  • Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.
  • Theromostat, legs and wall mounting hardware included
SaleBestseller No. 20
Mr. Heater Corporation F299830 Vent-Free 30,000 BTU Radiant Propane Heater, Multi
  • 30,000 BTU Liquid Propane heater to heat spaces up to 750 sqaure feet.
  • Radiant heat burner. Ignition - Electronic
  • Automatic low oxygen shut-off system (ODS). CSA Certified
  • Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.
  • Theromostat, legs and wall mounting hardware included

Having trouble finding a great Btu Gas Heater?

This problem is well understood by us because we have gone through the entire Btu Gas Heater research process ourselves, which is why we have put together a comprehensive list of the best Btu Gas Heaters available in the market today.

After hours of searching and using all the models on the market, we have found the best Btu Gas Heater for 2023. See our ranking below!

How Do You Buy The Best Btu Gas Heater?

Do you get stressed out thinking about shopping for a great Btu Gas Heater? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Btu Gas Heater, which is why we have assembled a comprehensive list of the greatest Btu Gas Heater available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Btu Gas Heater that you consider buying. Your questions might include the following:

  • Is it worth buying an Btu Gas Heater?
  • What benefits are there with buying an Btu Gas Heater?
  • What factors deserve consideration when shopping for an effective Btu Gas Heater?
  • Why is it crucial to invest in any Btu Gas Heater, much less the best one?
  • Which Btu Gas Heater are good in the current market?
  • Where can you find information like this about Btu Gas Heater?

We’re convinced that you likely have far more questions than just these regarding Btu Gas Heater, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Btu Gas Heater, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Btu Gas Heater. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Btu Gas Heater buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Btu Gas Heater currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Btu Gas Heater has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Btu Gas Heater?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Btu Gas Heater.
  5. Customer Ratings: Number ratings grade Btu Gas Heater objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Btu Gas Heater.
  7. Product Quality: You don’t always get what you pay for with an Btu Gas Heater, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Btu Gas Heater is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Btu Gas Heater information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Btu Gas Heater is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is the best natural gas wall heater?

A: If you’re looking for a budget-friendly natural gas wall heater, the ProCom MN200HBA is an excellent choice. This product uses a blue flame to add extra heat to your room. It also has a BTU output of 20,000 BTU per hour, so it is able to warm up a large room with a maximum area of 950 square feet.

Q: Can a high Btu heater heat a small room?

A: However, for a heater with a high BTU output, it can only heat a small room. When you need supplemental heating on the coldest days, this natural gas wall heater from Mr. Heater is a perfect choice. This heater has a BTU output of 20,000 BTU per hour that can warm up a room with an area of 500 square feet.

Q: What kind of gas does a 25 000 BTU stove heater use?

A: TECHNOLOGY – 25, 000 BTU Patented DUAL FUEL TECHNOLOGY using Natural Gas or Liquid Propane which Heats up to 1, 100 sq. ft. DEPENDABLE – The built-in Thermostat Control offers automatically cycle the stove heater on and off to maintain a desired room temperature. Ideal for greater heat flow that could add the warm atmosphere in your room.

Q: What is the BTU of a blue flame wall heater?

A: As to its heating capabilities, this natural gas wall heater uses a blue flame to circulate warm air all over your room. It also has a BTU output of 30,000 BTU per hour, so it can raise the temperature in a room with a maximum area of 750 square feet.